Home / 8,890.51-12,268.66-4,910.98

Finding the Fourth Proportional to 8,890.51, 12,268.66 and 4,910.98

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Solution

The fourth proportional to 8,890.51, 12,268.66 and 4,910.98 is: 6,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.51 : 12,268.66 = 4,910.98 : x
  2. Step 2: Convert to fraction form
    8,890.51/12,268.66 = 4,910.98/x
  3. Step 3: Cross multiply
    8,890.51x = 12,268.66 × 4,910.98
  4. Step 4: Simplify right side
    8,890.51x = 60,251,082.54
  5. Step 5: Solve for x
    x = 60,251,082.54/8,890.51
  6. Step 6: Final answer
    x = 6,777.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.